{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Evidence indicates that cysteine protease falcipain - 2 plays essential role in malaria parasites ; therefore the potent and selective inhibitors of falcipain - 2 may be therapeutically useful drugs for treatment of various forms of malaria parasite plasmodium ."}
{"Chemical": ["cysteine"]}